[INFO] cloning repository https://github.com/fujitayy/learn-regex-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fujitayy/learn-regex-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujitayy%2Flearn-regex-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujitayy%2Flearn-regex-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 700dba3a940bcdd42f54fa90df490f0b5e650269
[INFO] checking fujitayy/learn-regex-engine against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujitayy%2Flearn-regex-engine" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fujitayy/learn-regex-engine on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fujitayy/learn-regex-engine
[INFO] finished tweaking git repo https://github.com/fujitayy/learn-regex-engine
[INFO] tweaked toml for git repo https://github.com/fujitayy/learn-regex-engine written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fujitayy/learn-regex-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b6c38a74aa0e394bed81e8e519405f225d318f3d7932243a0266aa44e27cafb
[INFO] running `Command { std: "docker" "start" "-a" "9b6c38a74aa0e394bed81e8e519405f225d318f3d7932243a0266aa44e27cafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b6c38a74aa0e394bed81e8e519405f225d318f3d7932243a0266aa44e27cafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6c38a74aa0e394bed81e8e519405f225d318f3d7932243a0266aa44e27cafb", kill_on_drop: false }`
[INFO] [stdout] 9b6c38a74aa0e394bed81e8e519405f225d318f3d7932243a0266aa44e27cafb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea149b1acb2f6d7753f972e88250ff4c79bb351dfe975cc129164ace2a9bb90
[INFO] running `Command { std: "docker" "start" "-a" "cea149b1acb2f6d7753f972e88250ff4c79bb351dfe975cc129164ace2a9bb90", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking object v0.35.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling backtrace v0.3.72
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking learn-regex-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "cea149b1acb2f6d7753f972e88250ff4c79bb351dfe975cc129164ace2a9bb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea149b1acb2f6d7753f972e88250ff4c79bb351dfe975cc129164ace2a9bb90", kill_on_drop: false }`
[INFO] [stdout] cea149b1acb2f6d7753f972e88250ff4c79bb351dfe975cc129164ace2a9bb90